On 06/02/2025 13:02, Rilbert Lima via USRP-users wrote:
I ran the test using 5e6, however, the same error occurred.
root@ni-x4xx-342597F:/usr/lib/uhd/examples# ./benchmark_rate --rx_rate
5e6 --tx_rate 5e6
…
[00:00:04.955692172] Setting device timestamp to 0...
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set RX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[00:00:04.967447052] Testing receive rate 368.640000 Msps on 1 channels
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#0] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual rate
is 368.640 MHz
Setting TX spp to 352
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
OO[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual
rate is 368.640 MHz
[WARNING] [0/Radio#1] Requesting invalid sampling rate from device: 5
MHz. Actual rate is: 368.64 MHz.
[WARNING] [MULTI_USRP] Could not set TX rate to 5.000 MHz. Actual rate
is 368.640 MHz
[00:00:05.301642718] Receiver error: ERROR_CODE_TIMEOUT, continuing...
[00:00:05.301663748] Testing transmit rate 368.640000 Msps on 1 channels
UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUOUUUUUUterminate
called after throwing an inst'
[14450.111391] audit: type=1701 audit(1738864692.914:16):
auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=1132
comm="bmark_rx_stream" exe="/usr/lib/uhd/examples/benchmark_rate"
sig=6 res=1
what(): RfnocError: OpTimeout: Control operation timed out waiting for ACK
Aborted
So, this may be an X440-specific thing (doesn't do arbitrary re-sampling).
https://kb.ettus.com/About_Sampling_Rates_and_Master_Clock_Rates_for_the_USRP_X440
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